{"product_id":"19-21-5mm-round-expander-with-10mm-hex-head-bolt","title":"19–21.5mm Round Tube Expander – 10mm Hexagon Head Bolt","description":"\u003cp\u003e\u003cstrong\u003eA round expander supplied with a 10mm hexagon head bolt, made to fit round tube with an internal dimension of 19mm to 21.5mm.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe expander locates inside the end of the tube and is tightened with the 10mm hexagon head bolt. Its 19–21.5mm working range lets one size suit tubes whose internal dimension falls anywhere within that span.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRound profile to match round tube\u003c\/li\u003e\n\u003cli\u003eCovers internal tube dimensions from 19mm up to 21.5mm\u003c\/li\u003e\n\u003cli\u003eSupplied with a 10mm hexagon head bolt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eInternal Tube Dimensions (mm):\u003c\/strong\u003e 19 to 21.5\u003c\/li\u003e\u003c\/ul\u003e","brand":"Castor Hub UK","offers":[{"title":"Round Expansion Range 19mm–21.5mm x Bolt 10mm Hex Head","offer_id":59050941972811,"sku":"CHU651","price":7.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1097\/7584\/7755\/files\/fb2df13021de0c4a47212959c58d1e9d.jpg?v=1793296254","url":"https:\/\/castorhub.co.uk\/products\/19-21-5mm-round-expander-with-10mm-hex-head-bolt","provider":"Castor Hub UK","version":"1.0","type":"link"}